Maximum interval day again! This time HR monitor worked perfectly thanks to new belt. 6 x 3min / 2 min walk recovery. I had two easier days in between and that made a big difference! • #rundayfunday #maximumintervals #longdistancerunning #runningresearch #running #runningmoms #momswhorun #juoksu #juoksututkimus #maksimitreeni #jaksaajaksaa (at Paloheinä, Etelä-Suomen Lääni, Finland) https://www.instagram.com/p/CUQA2fTt7tl/?utm_medium=tumblr















